sub:assertion { d:DB00682dv:ddi-interactor-indr:DB00682_DB01022 . d:DB01022dv:ddi-interactor-indr:DB00682_DB01022 . dr:DB00682_DB01022dct:identifier "drugbank_resource:DB00682_DB01022" ; dct:title "DDI between Warfarin and Phylloquinone - Phytonadione (vitamin K) may antagonize the anticoagulant effects of warfarin. Monitor for changes in prothrombin time if phytonadione intake (either via supplements or vitamin K-rich foods) is increased or decreased."@en ; adv:Drug-Drug-Interaction ; rdfs:label "DDI between Warfarin and Phylloquinone - Phytonadione (vitamin K) may antagonize the anticoagulant effects of warfarin. Monitor for changes in prothrombin time if phytonadione intake (either via supplements or vitamin K-rich foods) is increased or decreased. [drugbank_resource:DB00682_DB01022]"@en . }